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Colour recovery [Was: Regex and more! [Was: Crossword puzzle]]
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Phred  
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 More options Nov 5, 12:44 am
Newsgroups: comp.lang.basic.misc, aus.photo
From: ppnerkDELETET...@yahoo.com (Phred)
Date: Wed, 04 Nov 2009 13:44:30 GMT
Local: Thurs, Nov 5 2009 12:44 am
Subject: Colour recovery [Was: Regex and more! [Was: Crossword puzzle]]
In article <1a96ebe5-6464-4842-8271-932d16229...@j24g2000yqa.googlegroups.com>, "n...@rtrussell.co.uk" <n...@rtrussell.co.uk> wrote:

>On Nov 2, 10:43=A0am, ppnerkDELETET...@yahoo.com (Phred) wrote:
>> So now I'm even more curious -- what do you mean by that "Full
>> gamut colour recovery"?

> http://colourrecovery.wikispaces.com/

Thanks for that info Richard.  I must admit I was mainly interested
because I have some old colour pics and slides that have seriously
degraded (especially 30-year-old Ectachrome slides taken when I was
foolish and ignorant enough to use it instead of Kodachrome).

From what I gather, your technique depends on "clues" in the recorded
image(s), so wouldn't be of much use to me? :-(

[But I admit I haven't yet followed *all* the links on that site.]

Cheers, Phred.

--
ppnerkDEL...@THISyahoo.com.INVALID


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news@rtrussell.co.uk  
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 More options Nov 5, 4:57 am
Newsgroups: comp.lang.basic.misc, aus.photo
From: "n...@rtrussell.co.uk" <n...@rtrussell.co.uk>
Date: Wed, 4 Nov 2009 09:57:07 -0800 (PST)
Local: Thurs, Nov 5 2009 4:57 am
Subject: Re: Colour recovery [Was: Regex and more! [Was: Crossword puzzle]]
On Nov 4, 1:44 pm, ppnerkDELETET...@yahoo.com (Phred) wrote:

> From what I gather, your technique depends on "clues" in the recorded
> image(s), so wouldn't be of much use to me? :-(

That's right.

Richard.


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Bob Larter  
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 More options Nov 11, 8:08 pm
Newsgroups: comp.lang.basic.misc, aus.photo
From: Bob Larter <bobbylar...@gmail.com>
Date: Wed, 11 Nov 2009 19:08:58 +1000
Local: Wed, Nov 11 2009 8:08 pm
Subject: Re: Colour recovery [Was: Regex and more! [Was: Crossword puzzle]]

The process relies on residual chroma information retained on
cine-recorded colour TV programs, so it's of no use for film.

Personally, I recover faded photos by scanning them (with as many bits
per colour channel as possible), then re-levelling R,G & B in Photoshop
(16 bit mode). It gives you a pretty good result, & with some tweaking,
an excellent result - even on badly faded colour prints dating back to
the 70's.

--
    W
  . | ,. w ,   "Some people are alive only because
   \|/  \|/     it is illegal to kill them."    Perna condita delenda est
---^----^---------------------------------------------------------------


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Phred  
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 More options Nov 11, 8:13 pm
Newsgroups: comp.lang.basic.misc, aus.photo, aus.computers
Followup-To: aus.photo, aus.computers
From: ppnerkDELETET...@yahoo.com (Phred)
Date: Wed, 11 Nov 2009 09:13:50 GMT
Local: Wed, Nov 11 2009 8:13 pm
Subject: Re: Colour recovery [Was: Regex and more! [Was: Crossword puzzle]]
[CLBM dropped from followups; aus.computers added]

In article <4afa711...@dnews.tpgi.com.au>, Bob Larter

Thanks for that advice Bob.  Have you tried that approach with slides?
I guess it should work the same, but a problem could be scanning
slides with sufficient resolution without going to an expensive
dedicated slide scanner.  (Do those still exist?  I haven't seen
mention of them for a few years now, not even ads.  Perhaps like so
much else, they have succumbed to the mediocrity of the masses?)

Cheers, Phred.

--
ppnerkDEL...@THISyahoo.com.INVALID


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Bob Larter  
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 More options Nov 12, 3:50 am
Newsgroups: aus.photo, aus.computers, rec.photo.digital
From: Bob Larter <bobbylar...@gmail.com>
Date: Thu, 12 Nov 2009 02:50:01 +1000
Local: Thurs, Nov 12 2009 3:50 am
Subject: Re: Colour recovery [Was: Regex and more! [Was: Crossword puzzle]]

My pleasure.

>  Have you tried that approach with slides?

No, I haven't. I've never shot slides on a regular basis.

> I guess it should work the same, but a problem could be scanning
> slides with sufficient resolution without going to an expensive
> dedicated slide scanner.  (Do those still exist?

They sure do. Now would be a good time to pick up a used one cheap,
while all the pro's are converting to DSLRs.
I haven't shot slide film much myself, but I'm told that Nikon make a
good slide scanner. I'm sure that other people in the group will be able
to make good suggestions as to what's available now.
[rec.photo.digital added]

--
    W
  . | ,. w ,   "Some people are alive only because
   \|/  \|/     it is illegal to kill them."    Perna condita delenda est
---^----^---------------------------------------------------------------


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Bob Larter is Lionel Lauer - Look it up.  
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 More options Nov 12, 2:54 am
Newsgroups: aus.photo, aus.computers, rec.photo.digital
Followup-To: alt.kook.lionel-lauer
From: Bob Larter is Lionel Lauer - Look it up. <blill...@someaddress.com>
Date: Wed, 11 Nov 2009 09:54:31 -0600
Local: Thurs, Nov 12 2009 2:54 am
Subject: Re: Colour recovery [Was: Regex and more! [Was: Crossword puzzle]]
On Thu, 12 Nov 2009 02:50:01 +1000, Bob Larter <bobbylar...@gmail.com>
wrote:

Bob Larter's legal name: Lionel Lauer
Home news-group, an actual group in the "troll-tracker" hierarchy:
alt.kook.lionel-lauer  (established on, or before, 2004)
Registered Description: "the 'owner of several troll domains' needs a group where he'll stay on topic."

<http://groups.google.com/groups/search?hl=en&num=10&as_ugroup=alt.koo...>

"Results 1 - 10 of about 2,170 for group:alt.kook.lionel-lauer."


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Bob Larter  
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 More options Nov 12, 3:56 am
Newsgroups: aus.photo, aus.computers, rec.photo.digital
From: Bob Larter <bobbylar...@gmail.com>
Date: Thu, 12 Nov 2009 02:56:11 +1000
Local: Thurs, Nov 12 2009 3:56 am
Subject: Re: Colour recovery [Was: Regex and more! [Was: Crossword puzzle]]
Bob Larter is Lionel Lauer - Look it up. wrote:

Don't mind the troll, Phred, he always follows up my posts with this
rubbish. ;^)

--
    W
  . | ,. w ,   "Some people are alive only because
   \|/  \|/     it is illegal to kill them."    Perna condita delenda est
---^----^---------------------------------------------------------------


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Bob Larter is Lionel Lauer - Look it up.  
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 More options Nov 12, 3:07 am
Newsgroups: aus.photo, aus.computers, rec.photo.digital
Followup-To: alt.kook.lionel-lauer
From: Bob Larter is Lionel Lauer - Look it up. <blill...@someaddress.com>
Date: Wed, 11 Nov 2009 10:07:12 -0600
Local: Thurs, Nov 12 2009 3:07 am
Subject: Re: Colour recovery [Was: Regex and more! [Was: Crossword puzzle]]
On Thu, 12 Nov 2009 02:56:11 +1000, Bob Larter <bobbylar...@gmail.com>
wrote:

It would only be rubbish if it weren't true.

Bob Larter's legal name: Lionel Lauer
Home news-group, an actual group in the "troll-tracker" hierarchy:
alt.kook.lionel-lauer  (established on, or before, 2004)
Registered Description: "the 'owner of several troll domains' needs a group where he'll stay on topic."

<http://groups.google.com/groups/search?hl=en&num=10&as_ugroup=alt.koo...>

"Results 1 - 10 of about 2,170 for group:alt.kook.lionel-lauer."


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Bob Larter  
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 More options Nov 12, 4:15 am
Newsgroups: aus.photo, aus.computers, rec.photo.digital
From: Bob Larter <bobbylar...@gmail.com>
Date: Thu, 12 Nov 2009 03:15:42 +1000
Local: Thurs, Nov 12 2009 4:15 am
Subject: Re: Colour recovery [Was: Regex and more! [Was: Crossword puzzle]]
Bob Larter is Lionel Lauer - Look it up. wrote:

*belch*

--
    W
  . | ,. w ,   "Some people are alive only because
   \|/  \|/     it is illegal to kill them."    Perna condita delenda est
---^----^---------------------------------------------------------------


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